Time for Airi to engage in a jealousy ploy.  Start hanging around Kaoru.  Or maybe Nao -- and convince her to wear a collar and a "USEFUL LESBIAN" T-shirt under her uniform.
Sorry Michiru, but you've brought this on yourself, girl.
Why did they suddenly start misspelling "yeah"? It's weird and distracting. Makes the characters sound like a bunch of Norwegians or Germans or something. "You vant to meet after der schoolen?" "Oh, yah."
There's supposed to be an E in there. You can't hide from the truth forever!
I've noticed it's become a new leetspeak thing.  Like saying "for rlz", or "smol", or "because" without following with "of".  Something about paring down speech appeals to the kids these days.  I guess it's so you can text faster.
I sometimes wonder what Alexander Graham Bell would think if informed that progress had replaced phone calls with a faster and more convenient telegraph.